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Finding the Fourth Proportional to 60,400.70, 90,601.05 and 44,654.30

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Solution

The fourth proportional to 60,400.70, 90,601.05 and 44,654.30 is: 66,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,400.70 : 90,601.05 = 44,654.30 : x
  2. Step 2: Convert to fraction form
    60,400.70/90,601.05 = 44,654.30/x
  3. Step 3: Cross multiply
    60,400.70x = 90,601.05 × 44,654.30
  4. Step 4: Simplify right side
    60,400.70x = 4,045,726,467.02
  5. Step 5: Solve for x
    x = 4,045,726,467.02/60,400.70
  6. Step 6: Final answer
    x = 66,981.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.